These old-fashioned couches planted with grass require extensive maintenance. In the summer the sun simply burns too strongly, the iron frame heats up and the grass burns despite continuous watering. Daniel Spoerri remembers with a shudder having to trim the edges of the lawn under the supervision of his strict aunt. Controlled, pruned nature is the theme of this work. It is a certain variation of an earlier artwork in which he left his handprint on a freshly seeded surface so that it remained clearly visible: »Where he leaves his mark, no grass shall grow«, is the title of this work from 1964.